.container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url('https://img.zcool.cn/community/01ecbb5b98a43ba80121a0f751aec3.jpg@3000w_1l_0o_100sh.jpg');
  background-repeat: no-repeat;
  .form {
    width: 400px;
    height: 300px;
    background-color: white;
    .form_title {
      height: 80px;
      display: flex;
      justify-content: center;
      align-items: center;
      .logo {
        width: 60px;
        border-radius: 50%;
      }
    }
    .form_content {
      width: 80%;
    }
  }
}
